Frédéric-Julien Ducommun-dit-Boudry was born on 31st December, 1786 in La Sagne. Jean-Michel Sauteur was born on 31st December, 1799 in Saint-Nicolas d'Aliermont. Jean-Jacques-Sylvestre Denis was born on 31st December, 1805 in Saint-Nicolas d'Aliermont. Auguste François Aubert was born on 31st December, 1813 in Derrière-la-Côte. Christian Petersen (d. Jüngere) Backmann was born on 31st December, 1814. Antoine-Josèph Lefebvre was born on 31st December, 1842 in Saint-Nicolas d'Aliermont. Richard William Weicholdt was born on 31st December, 1860 in Glashütte. Jacques-Sénateur Timbert was born on 31st December, 1862 in Criel-sur-Mer, Seine-Maritime. Clémencia-Eugénie Lefebvre was born on 31st December, 1866 in Saint-Nicolas d'Aliermont. Marie-Victoria Lefebvre was born on 31st December, 1866 in Saint-Nicolas d'Aliermont. Jacques-David LeCoultre was born on 31st December, 1875 in Le Sentier. Ferdinand-Alfred Letellier was born on 31st December, 1886 in Saint-Nicolas d'Aliermont.
Victoire Rosalie Troude died on 31st December, 1838 in Saint-Nicolas d'Aliermont. Jean-Baptiste Fournier died on 31st December, 1851 in Saint-Nicolas d'Aliermont. Louis Ferdinand LeCoultre died on 31st December, 1851 in Le Chenit. Jacques-Antoine Troude died on 31st December, 1869 in Saint-Nicolas d'Aliermont. Pierre Louis Alfred Japy died on 31st December, 1876. Marie-Rosa Deshayes died on 31st December, 1887 in Saint-Nicolas d'Aliermont.